Efficient utilization of spare datacenter capacity

A system, comprising:

• a processor and memory;
• a component configured to monitor a spare capacity status of each of multiple computing systems in a data center;
• a component configured to identify a particular computing system of the multiple computing systems using the monitored performance, the particular computing system being identified for an allocation of additional computing power;
• a component configured to determine availability of an additional power supply to allocate to the particular computing system, the additional power supply being a function of the additional computing power;
• a component configured to determine availability of a capacity on a power distribution line connected to the particular computing system to provide the additional power supply to the particular computing system;
• and
• a component configured to allocate the temporary workload to the particular computing system if there is availability of the additional power supply and capacity on the power distribution line.

A computer readable storage memory storing computer executable instructions, comprising:

• instructions for monitoring, by a processor, a spare capacity status of each of multiple computing systems in a data center;
• instructions for identifying a particular computing system of the multiple computing systems, the particular computing system being identified for an allocation of a temporary workload;
• instructions for determining availability of an additional power supply to allocate to the particular computing system;
• instructions for determining availability of a capacity on a power distribution line connected to the particular computing system to provide the additional power supply to the particular computing system;
• and
• instructions for allocating the temporary workload to the particular computing system if there is availability of the additional power supply and capacity on the power distribution line.